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Cadmus is a new Linux UI for managing microphone noise suppression

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Are your voice chat friends getting bothered by your fancy new loud mechanical keyboard? Or perhaps you're doing an audio recording and need everything in the background to shutup - enter Cadmus.

I'm sure many of you have been there, getting distracted while playing an online game because one of your crew sounds like an elephant jumping on a keyboard while they furiously press WASD or angrily type in the chat. Noise suppression helps with anything remotely like that.

On Windows there's a lot of solutions, on Linux there's not so much that's actually user friendly. Cadmus aims to hopefully help a little there, giving Linux users a very simply notification icon UI to enable noise supression - using the PulseAudio Noise Supression Plugin from werman.

How well does it work? Listen for yourself:

That was a hammer hitting my desk, directly under the microphone and to have it reduced so dramatically is great.

It automates setting everything up for you, at the click of a button. Very useful if you're in an environment that's not quiet and clearly works quite well. Not perfect, sure, you can probably find ways to tweak it further and this is an early release of the Cadmus app to put it all together so there could be more improvements to be made. I'm impressed though.

Find Cadmus on GitHub.

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About the author -
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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly came back to check on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly.
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Liam Dawe 29 Jun, 2020
Quoting: PatolaI hope you desk is still usable after the spanking...
A few dents after the test but it's old, wobbly and probably should be replaced anyway.
mirv 29 Jun, 2020
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I think someone has to say it, and it may as well be me.

....hammer time.
toor 29 Jun, 2020
Oh great… I had a friend on Windows who told me about Nvidia RTX cards that run a neural network to suppress noise, and then I found a lib made by Mozilla to do the same thing and was planning to develop a pulseaudio plugin to use it.
But this is exactly what has been done x)
pcavalcanti 29 Jun, 2020
Tried it but when I turn it on it just mutes everything.
McMarius11 29 Jun, 2020
  • Supporter
thanks for the tip :)
Redneck 29 Jun, 2020
Impressive. Will surely try it because my new KB is loud indeed 😅
Thanks Liam! We're lost without your precious tipz!
gustavoyaraujo 29 Jun, 2020
That's awesome. And yes, everything should have an Appimage build, it just works.
Purple Library Guy 29 Jun, 2020
Quoting: mirvI think someone has to say it, and it may as well be me.

....hammer time.
But the question is, did he get it from hammer space?
garpu 30 Jun, 2020
Just tried it with the AC unit running right by my head, and I might actually be able to stream this summer.

For some reason, I always pictured Liam with full-on received pronunciation, like something out of Doctor Who in the 70's.
furaxhornyx 30 Jun, 2020
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Now we need the plugin to be applied to other people on Discord
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